Square Miles to Hectares Conversion

How many hectares in a square mile?

1 Square mile = 258.998811 hectares. 1 Hectare = 0.00386102159 square mile.

Quick Lookup (Round: 2). sq. miles to hectares

mi2 1/8 1/4 1/2 3/4 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 60 70 80 90 100
ha 32.37 64.75 129.5 194.25 259 388.5 518 647.5 777 906.5 1036 1165.49 1294.99 1424.49 1553.99 1683.49 1812.99 1942.49 2071.99 2201.49 2330.99 2460.49 2589.99 2848.99 3107.99 3366.98 3625.98 3884.98 4143.98 4402.98 4661.98 4920.98 5179.98 5438.98 5697.97 5956.97 6215.97 6474.97 6733.97 6992.97 7251.97 7510.97 7769.96 8028.96 8287.96 8546.96 8805.96 9064.96 9323.96 9582.96 9841.95 10100.95 10359.95 10618.95 10877.95 11136.95 11395.95 11654.95 11913.95 12172.94 12431.94 12690.94 12949.94 15539.93 18129.92 20719.9 23309.89 25899.88
Round:
Enter Square Mile
Enter Hectare

Square miles to hectares conversion factor is 258.998811. To find out how many hectares in square miles, multiply the square mile value by 258.998811.

1 Square Mile = 258.998811 Hectares

There are about 259 hectares in a square mile, because a hectare is a square with all sides are 100 meters in length and equals to 100 * 100 = 10 000 square meters and one mile is 1609.34 meters and equals to 1609.34 * 1609.34 = 2589975.2 square meters, that makes 2589975.2 / 10 000 = about 259 hectares in a square mile.

For example, to find out how many hectares there are in a square mile and a half, as a formula to convert from sq. miles to hectares, multiply the sq. mile value by 259, that makes 1.5 mi2 * 259 = 388.5 hectares in 1.5 sq. miles.

Square mile is an imperial and US Customary area unit. 1 Square mile is equal to 259 hectares, 640 acres or 2.59 square kilometers. The abbreviation is "mi2".

Hectare is a metric system area unit. 1 Hectare is equal to 10 000 sq. meters or 2.47 acres. The abbreviation is "ha".

Create Custom Conversion Table
To create your own custom conversion table click "Create Table" botton. To change values, you may enter a "Start" value (1, 2.5, 5 etc), select a an "Increment" value (0.01, 5, 100 etc) and select an "Accuracy" value to round the result.